Extendible headphones



FIG. 1 is a perspective view of extendible headphones showing my newdesign in an extended configuration, the cord is drawn broken away forindeterminate length;

FIG. 2 is a top plan view thereof, illustrated in a retractedconfiguration;

FIG. 3 is a bottom plan view of FIG. 2;

FIG. 4 is a left-side elevational view of FIG. 2;

FIG. 5 is a right-side elevational view of FIG. 2;

FIG. 6 is a rear elevational view of FIG. 2; and,

FIG. 7 is a front elevational view of FIG. 2.

I claim the ornamental design for an extendible headphones, as shown anddescribed.